Spectral Precise Image Study for Coronary Artery

May 27, 2026 updated by: Philips Clinical & Medical Affairs Global

Image Quality Evaluation of Coronary CT Angiography Using Deep Learning-Based Spectral Precise Image Reconstruction

This is a single-center, comparative, observational, retrospective data study. Datasets from patients who underwent spectral coronary CT angiography (CCTA) for suspected coronary artery disease (CAD) or other diagnosis needs as part of their routine clinical evaluation will be included.

Study Overview

Status

Not yet recruiting

Conditions

Intervention / Treatment

Detailed Description

Eligible dataset will be selected from the existing CT scan datasets generated at the study site, based on the CT scanning parameters, enrolled study participant datasets will be divided into Group A (120kVp, DRI=30) and Group B (100kVp, DRI=24). One hundred cases are planned to be enrolled in each group, with a total target of 200 datasets to be collected.

Study Type

Observational

Enrollment (Estimated)

200

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

  • China
    • Henan
      • Zhengzhou, Henan, China
        • Zhengzhou Universtidy 1st Affiliated Hospital
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Sampling Method

Non-Probability Sample

Study Population

Patients completed CCTA scan aged 18.

Description

Inclusion Criteria:

  1. Datasets from Patients who underwent spectral coronary CT angiography (CCTA).
  2. Datasets from study participants with age ≥ 18 years old.
  3. Scan parameters that meet the criteria defined in the 5.4.3.

Exclusion Criteria:

  1. The clinical data information is considered incomplete after evaluation by the investigator.
  2. The investigator determined that poor image quality (e.g. obvious artifacts, missing critical scan layers) would not satisfy post-processing analysis.
  3. Data of patients deemed inappropriate for inclusion after evaluation by the investigator.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Group B
Scanning parameters 100kVp, DRI=24
Device: Non-Interventional Study
This is an observational study
Group A
Scanning parameters: 120kVp, DRI=30
Device: Non-Interventional Study
This is an observational study

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Subjective Image quality using 5 Liket-scale (1-5)
Time Frame: From date of image reconstruction until the date of image reading completion, anticipated 3Months.
The subjective image quality will be assessed by 2 radiologists using Liket-scale on a range from 1(poor) to 5(Excellent).
From date of image reconstruction until the date of image reading completion, anticipated 3Months.

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Objective image quality
Time Frame: From the date of image reconstruction completion to the date of image reading completion, anticipated up to 3 months
The objective image quality will be evaluated by measuring the CT value shown in the image.
From the date of image reconstruction completion to the date of image reading completion, anticipated up to 3 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Philips Clinical & Medical Affairs Global

Collaborators

The First Affiliated Hospital of Zhengzhou University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

June 1, 2026

Primary Completion (Estimated)

December 30, 2026

Study Completion (Estimated)

December 31, 2026

Study Registration Dates

First Submitted

May 11, 2026

First Submitted That Met QC Criteria

May 27, 2026

First Posted (Actual)

June 2, 2026

Study Record Updates

Last Update Posted (Actual)

June 2, 2026

Last Update Submitted That Met QC Criteria

May 27, 2026

Last Verified

May 1, 2026

More Information

Terms related to this study

Other Study ID Numbers

  • 301167

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

IPD Plan Description

Sponsor and site need further discussion

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

Yes

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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